Home / 14,556,672,686.40-21,835,009,029.60-12,138,025,646.40

Finding the Fourth Proportional to 14,556,672,686.40, 21,835,009,029.60 and 12,138,025,646.40

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Solution

The fourth proportional to 14,556,672,686.40, 21,835,009,029.60 and 12,138,025,646.40 is: 18,207,038,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556,672,686.40 : 21,835,009,029.60 = 12,138,025,646.40 : x
  2. Step 2: Convert to fraction form
    14,556,672,686.40/21,835,009,029.60 = 12,138,025,646.40/x
  3. Step 3: Cross multiply
    14,556,672,686.40x = 21,835,009,029.60 × 12,138,025,646.40
  4. Step 4: Simplify right side
    14,556,672,686.40x = 265,033,899,590,660,358,144
  5. Step 5: Solve for x
    x = 265,033,899,590,660,358,144/14,556,672,686.40
  6. Step 6: Final answer
    x = 18,207,038,469.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.